One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,5)(4,10)(6,8)(7,9)(11,14)(12,15)(13,16)(17,18,22,24)(19,25,26,20)(21,29,31,23)(27,28,32,30)(34,37)(39,41)(40,45)(46,47)(1,3,7,6)(2,8,9,5)(4,12,13,11)(10,14,16,15)(19,26)(20,25)(27,32)(28,30)(36,44)(40,45)(42,48)(46,47)(2,9)(4,13)(5,8)(11,12)(17,19,22,26)(18,20,24,25)(21,27,31,32)(23,28,29,30)(33,34,38,37)(35,41,43,39)(36,40,44,45)(42,47,48,46)(1,4,7,13)(2,10,9,16)(3,11,6,12)(5,14,8,15)(17,19)(18,20)(21,27)(22,26)(23,28)(24,25)(29,30)(31,32)(33,35,38,43)(34,39,37,41)(36,42,44,48)(40,46,45,47)(1,5,7,8)(2,3,9,6)(4,14,13,15)(10,11,16,12)(17,20)(18,19)(21,30)(22,25)(23,32)(24,26)(27,29)(28,31)(33,36)(34,40)(35,42)(37,45)(38,44)(39,46)(41,47)(43,48)(1,6,7,3)(2,5,9,8)(4,12,13,11)(10,14,16,15)(17,21,22,31)(18,23,24,29)(19,27,26,32)(20,28,25,30)(33,37,38,34)(35,41,43,39)(36,45,44,40)(42,47,48,46)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.